Integrated map of AFLP, SSLP and RFLP markers using a recombinant inbred population of rice (Oryza sativa L.)
1998
Cho, Y.G. | McCouch, S.R. | Kuiper, M. | Kang, M.R. | Pot, J. | Groenen, J.T.M. | Eun, M.Y.
A molecular map of rice consisting of 231 amplified fragment length polymorphisms (AFLPs), 212 restriction fragment length polymorphisms (RFLPs), 86 simple-sequence length polymorphisms (SSLPs), five isozyme loci, and two morphological mutant loci [phenol staining of grain (Ph), semi-dwarf habit (sd-1)] has been constructed using an F11 recombinant inbred (RI) population. The mapping population consisted of 164 RI lines and was developed via single-seed descent from an intercross between the genetically divergent parents Milyang 23 (M) (tongil type) and Gihobyeo (G) (japonica type). A subset of previously mapped RFLP and SSLP markers were used to construct the map framework. The AFLP markers were derived from ten EcoRI(+2) and MseI(+3) primer combinations. All marker types were well distributed throughout the 12 chromosomes. The integrated map covered 1814 cM, with an average interval size of 3.4 cM. The MG map is a cornerstone of the Korean Rice Genome Research Program (KRGRP) and is being continuously refined through the addition of partially sequenced cDNA markers derived from an immature-seed cDNA library developed in Korea, and microsatellite markers developed at Cornell. The population is also being used for quantitative trait locus (QTL) analysis and as the basis for marker-assisted variety development.
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